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# -*- coding: utf-8 -*- |
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import pyjobsweb.lib.search_query as search_query |
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class ElasticsearchTranslator(search_query.QueryTranslator): |
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def __init__(self, query_object): |
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super(ElasticsearchTranslator, self).__init__(query_object) |
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def translate_sort(self, multi_sort): |
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return self.query_object.sort(*[s.translate(self) for s in multi_sort]) |
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def translate_asc_sort_statement(self, asc_sort): |
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return '{}'.format(asc_sort.to_sort) |
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def translate_desc_sort_statement(self, desc_sort): |
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return '-{}'.format(desc_sort.to_sort) |
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def translate_boolean_filter(self, search_filter): |
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return self.query_object.filter( |
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'terms', |
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**{search_filter.field: [search_filter.value]} |
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) |
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def translate_keyword_filter(self, search_filter): |
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return self.query_object.query( |
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'multi_match', |
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fields=search_filter.fields, |
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query=search_filter.keywords |
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) |
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def translate_geolocation_filter(self, search_filter): |
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return self.query_object.filter( |
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'geo_distance', |
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geolocation=[ |
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search_filter.center.longitude, |
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search_filter.center.latitude |
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], |
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distance='{}{}'.format(search_filter.radius, search_filter.unit) |
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) |
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class ElasticsearchQuery(search_query.BaseSearchQuery): |
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def __init__(self, class_name, page_num, page_size): |
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search_obj = class_name.search() |
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search_obj = search_obj.params() |
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translator = ElasticsearchTranslator(search_obj) |
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query_builder = search_query.QueryBuilder(translator) |
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self._from = page_num * page_size |
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self._to = self._from + page_size |
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super(ElasticsearchQuery, self).__init__(query_builder) |
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def execute_query(self): |
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return (self.builder.build()[self._from:self._to]).execute().hits |
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